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Liquid Cv Flow Calculator

Liquid Cv to flow at given dP and specific gravity. Kv = 0.865 x Cv.

Inputs

Inputs

Rated Cv at full open from datasheet.

Actual drop across the valve, not the whole system.

Water = 1.0. Glycol ~1.05-1.1.

Result

Equivalent Kv
21.63
Flow in GPM
6,604.3 GPM
Flow Q
25.00 m3/h

Learn

How to use this result.

Check flow a liquid valve passes at actual dP.

Verify before relying.

  1. Confirm units match the input labels before trusting the result.
Screening result for preliminary sizing only. Verify against the manufacturer datasheet and applicable standard before procurement or construction.

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Workspace

Keep the assumptions with the result.

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